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HomeMaterials Science ForumMaterials Science Forum Vol. 917Enhanced Adsorption Properties of Ag-Loaded...

Enhanced Adsorption Properties of Ag-Loaded β-Zeolite towards Toluene

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Abstract:

Two series of Ag-loaded β-zeolites with silica/alumina ratio of 25 and 36 were prepared by ion exchange technique. The silver loading was varied in a range of 2-10 wt%. The samples were characterized by low-temperature nitrogen adsorption, Infrared and UV-vis spectroscopy, and transmission electron microscopy. Adsorption/desorption properties of zeolites were examined using a specially designed setup. Toluene was used as a model hydrocarbon. It was found that adsorption capacity of zeolites grows up along with silver content increase till 8%, and reduces then. According to data of physicochemical methods, at low loading the silver exists in cluster and ionic forms, while at high loading agglomerated particles predominate, which worsens the adsorption properties.

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Material Science and Engineering Technology VI

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Periodical:

Materials Science Forum (Volume 917)

Pages:

180-184

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.917.180

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Online since:

March 2018

Authors:

Victor L. Temerev, Aleksey A. Vedyagin*, Kristina N. Iost, Tatyana Afonasenko, Pavel Tsyrulnikov

Keywords:

Adsorption, Cold-Start Problem, Desorption, Silver Clusters, Toluene, β-Zeolite

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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